Magnetic-field-induced excitonic instability in the 2D electron gas

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3 Citations (Scopus)

Abstract

Bound excitonic states of holes in modulation-doped quantum wells are predicted to unbind abruptly at a critical density, which depends heavily on an applied magnetic field. The effect should be observable in the magnetoluminescence of high-quality quantum wells in terms of a sudden blue shift and increase in oscillator strength at integer filling factors. The validity of the mean-field approximation is discussed.

Original languageEnglish
Pages (from-to)482-484
Number of pages3
JournalSurface Science
Volume263
Issue number1-3
DOIs
Publication statusPublished - 1992 Feb 19
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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